Remove declaration for function removed more than half a year ago in r56752.
Remove declaration for function removed more than half a year ago in r56752.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6475018

git-svn-id: http://src.chromium.org/svn/trunk/src@74864 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 16c5704690429880ea4f7bb9a5a13e599c6ee759
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser